September weather forecast and climate
Robles Junction, AZ

Weather in September

The first month of the autumn, September, is also a hot month in Robles Junction, Arizona, with average temperature ranging between min 71.8°F (22.1°C) and max 90°F (32.2°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a still tropical 90°F (32.2°C). The average low-temperature, in September, is 71.8°F (22.1°C).

Heat index

In September, the average heat index is calculated to a hot 90.7°F (32.6°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, differences in body mass, height, and shape). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in September is 40%.

Rainfall

In Robles Junction, during September, the rain falls for 10.5 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Robles Junction, during the entire year, the rain falls for 77.7 days and collects up to 11.57" (294mm) of precipitation.

Snowfall

February through December are months without snowfall in Robles Junction.

Daylight

In September, the average length of the day is 12.3h.

Sunshine

The average sunshine in September is 9.6h.

UV index

The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Robles Junction?

In September, in Robles Junction, the average high-temperature is 90°F (32.2°C), and the average low-temperature is 71.8°F (22.1°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), that represents influence of the relative humidity to air temperaure, is estimated at 90.7°F (32.6°C).

What is the average humidity in September in Robles Junction?

In September, the average relative humidity in Robles Junction, Arizona, is 40%.

How many days does it rain in September in Robles Junction?

In Robles Junction, Arizona, during September, the rain falls for 10.5 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow in Robles Junction?

February through December are months without snowfall in Robles Junction.

What is the average length of the day in September in Robles Junction?

In Robles Junction, the average length of the day in September is 12.3h.

How long on average sun shines in September in Robles Junction?

In Robles Junction, the average sunshine in September is 9.6h.

What is the UV index reading in September in Robles Junction?

In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.

Average temperature in September
Robles Junction, AZ

Average temperature in September - Robles Junction, AZ
  • Average high temperature in September: 90°F

The warmest month (with the highest average high temperature) is June (97.2°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in September: 71.8°F

The month with the highest average low temperature is July (77.5°F).
The coldest months (with the lowest average low temperature) are January and December (44.2°F).

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Average pressure in September
Robles Junction, AZ

Average pressure in September - Robles Junction, AZ
  • Average pressure in September: 29.86"

The month with the highest atmospheric pressure is January (30.07").
The month with the lowest atmospheric pressure is June (29.81").

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Average wind speed in September
Robles Junction, AZ

Average wind speed in September - Robles Junction, AZ
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in September
Robles Junction, AZ

Average humidity in September - Robles Junction, AZ
  • Average humidity in September: 40%

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (20%).

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Average rainfall in September
Robles Junction, AZ

Average rainfall in September - Robles Junction, AZ
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is August (2.64").
The driest months (with the least rainfall) are April and May (0.2").

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Average rainfall days in September
Robles Junction, AZ

Average rainfall days in September - Robles Junction, AZ
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is May (2.3 days).

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Average snowfall in September
Robles Junction, AZ

Average snowfall in September - Robles Junction, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.04").
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Robles Junction, AZ

Average snowfall days in September - Robles Junction, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.1 days).
Months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in September /
Average sunshine in September
Robles Junction, AZ

Average daylight in September / Average sunshine in September - Robles Junction, AZ
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in September: 9.6h

The month with the most sunshine is August (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.9h).

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Average sunshine days in September
Robles Junction, AZ

Average sunshine days in September - Robles Junction, AZ
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in September
Robles Junction, AZ

Average UV index in September - Robles Junction, AZ
  • Average UV index in September: 7

The month with the highest UV index is June (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Robles Junction, AZ

Average cloud cover in September - Robles Junction, AZ
  • Average cloud cover in September: 13

Months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 7).

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Average visibility in September
Robles Junction, AZ

Average visibility in September - Robles Junction, AZ
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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